Note 8 Earnings Per Share (Details) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Earnings Per Share [Line Items]
Net income	$ 9,405	$ 21,563	$ 50,829	$ 91,036
Weighted Average Number of Shares Outstanding, Basic	80,579	79,544	80,223	79,040
Weighted Average Number of Shares Outstanding, Diluted	83,141	83,693	83,275	82,404
Net Income Per Share, Basic	$ 0.12	$ 0.27	$ 0.63	$ 1.15
Net Income Per Share, Diluted	$ 0.11	$ 0.26	$ 0.61	$ 1.1
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (Number in Shares)	7,621	3,954	6,467	6,096
Stock Options [Member]
Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (Number in Shares)	7,149	3,939	6,229	6,072
Restricted Stock [Member]
Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (Number in Shares)	472	15	238	24